* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background: rgb(245, 245, 245);
}
.header {
  width: 375px;
  height: 74px;
  position: fixed;
  left: 0;
  top: 0;
  background-color: #f2f2f2;
  box-shadow: 0 2px 4px -1px rgb(0 0 0 / 20%);
  display: flex;
  flex-direction: column;
}
.header .headerTop {
  height: 44px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  color: #666;
  background-color: #f2f2f2;
  padding: 0;
  position: relative;
  z-index: 100;
}
.logo {
  width: 50px;
  height: 44px;
  background-image: url(../img/milogo.png);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 25px auto;
}
.search {
  width: 270px;
  height: 33px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex: 1;
  text-align: left;
  background-color: #fff;
  color: rgba(0, 0, 0, 0.3);
  border: 1px solid #e5e5e5;
  border-radius: 2px;
}
.search .icon {
  height: 31px;
  width: 31px;
  background-image: url(../img/search4.png);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 21px auto;
}
.search input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 15px;
}
.user {
  width: 50px;
  height: 44px;
  background-image: url(../img/user.png);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 30px auto;
}
.header .headerNav {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex: 1;
}
.header .headerNav > a {
  text-align: center;
  align-self: stretch;
  font-size: 14px;
  text-decoration: none;
  color: rgb(116, 116, 116);
  padding-top: 4px;
}
.header .headerNav > a.active {
  color: rgb(237, 91, 0);
  border-bottom: 2px solid rgb(237, 91, 0);
}
.header .xhicon {
  width: 20px;
  height: 20px;
  background-image: url(../img/download.png);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 20px auto;
  position: relative;
  z-index: 100;
  transition: transform 0.5s;
}
.xhk {
  background-color: rgba(0, 0, 0, 0.3);
  width: 100vw;
  height: 0vh;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 10;
  overflow: hidden;
}
#choose:checked ~ .xhk {
  height: 100vh;
}
#choose:checked ~ .xhk .xhkMain {
  height: 130px;
}
#choose:checked ~ .xhicon {
  transform: rotate(180deg);
}

.xhkMain {
  position: absolute;
  top: 41px;
  left: 0;
  width: 375px;
  height: 0px;
  background-color: #f2f2f2;
  display: flex;
  flex-direction: column;
  transition: height 0.8s;
  overflow: hidden;
}
.xhkMain .xhkTop {
  width: 375px;
  height: 30px;
  font-size: 14px;
  display: flex;
  align-items: flex-end;
  padding-left: 11px;
}
.xhkMain .xhkList {
  flex: 1;
  flex-wrap: wrap;
  display: flex;
  align-content: space-evenly;
  padding-left: 11px;
}
.xhkMain .xhkList a.active {
  background-color: #fde0d5;
  border-color: #ff6700;
  color: #ff6700;
}
.xhkMain .xhkList a {
  width: 80px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  border: 1px solid #e5e5e5;
  margin: 0 10.5px 10px 0;
  font-size: 14px;
  text-decoration: none;
  border-radius: 4px;
  color: #3c3c3c;
  background-color: #fff;
}
